40121736007273 has 4 divisors (see below), whose sum is σ = 40121762103108. Its totient is φ = 40121709911440.

The previous prime is 40121736007271. The next prime is 40121736007291. The reversal of 40121736007273 is 37270063712104.

40121736007273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14622387109929 + 25499348897344 = 3823923^2 + 5049688^2 .

It is a cyclic number.

It is not a de Polignac number, because 40121736007273 - 2¹ = 40121736007271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40121736007271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10586986 + ... + 13868227.

It is an arithmetic number, because the mean of its divisors is an integer number (10030440525777).

Almost surely, 2^{40121736007273} is an apocalyptic number.

It is an amenable number.

40121736007273 is a deficient number, since it is larger than the sum of its proper divisors (26095835).

40121736007273 is a wasteful number, since it uses less digits than its factorization.

40121736007273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26095834.

The product of its (nonzero) digits is 296352, while the sum is 43.

Adding to 40121736007273 its reverse (37270063712104), we get a palindrome (77391799719377).

The spelling of 40121736007273 in words is "forty trillion, one hundred twenty-one billion, seven hundred thirty-six million, seven thousand, two hundred seventy-three".